amem: i_nb_samples is unsigned, no need for size_t

include/vlc/libvlc_media_player.h

@@ -31,8 +31,6 @@
 #ifndef VLC_LIBVLC_MEDIA_PLAYER_H
 #define VLC_LIBVLC_MEDIA_PLAYER_H 1
 
-# include <stddef.h>
-
 # ifdef __cplusplus
 extern "C" {
 # else
@@ -473,7 +471,7 @@ LIBVLC_API void *libvlc_media_player_get_hwnd ( libvlc_media_player_t *p_mi );
  * \param pts expected play time stamp (see libvlc_delay())
  */
 typedef void (*libvlc_audio_play_cb)(void *data, const void *samples,
-                                     size_t count, int64_t pts);
+                                     unsigned count, int64_t pts);
 
 /**
  * Callback prototype for audio volume change.

modules/audio_output/amem.c

@@ -54,7 +54,7 @@ vlc_module_end ()
 struct aout_sys_t
 {
     void *opaque;
-    void (*play) (void *opaque, const void *data, size_t count, int64_t pts);
+    void (*play) (void *opaque, const void *data, unsigned count, int64_t pts);
     int (*set_volume) (void *opaque, float vol, bool mute);
     void (*cleanup) (void *opaque);
 };